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/* This testcase is part of GDB, the GNU debugger.
Copyright 2021 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _GNU_SOURCE
#include <dlfcn.h>
#include <stddef.h>
#include <assert.h>
#include <unistd.h>
volatile int wait_for_gdb = 1;
int
main (void)
{
void *handle[4];
int (*fun) (int);
Lmid_t lmid;
int dl;
handle[0] = dlmopen (LM_ID_NEWLM, DSO1_NAME, RTLD_LAZY | RTLD_LOCAL);
assert (handle[0] != NULL);
dlinfo (handle[0], RTLD_DI_LMID, &lmid);
handle[1] = dlopen (DSO1_NAME, RTLD_LAZY | RTLD_LOCAL);
assert (handle[1] != NULL);
handle[2] = dlmopen (LM_ID_NEWLM, DSO1_NAME, RTLD_LAZY | RTLD_LOCAL);
assert (handle[2] != NULL);
handle[3] = dlmopen (lmid, DSO2_NAME, RTLD_LAZY | RTLD_LOCAL);
assert (handle[3] != NULL);
alarm (20);
while (wait_for_gdb != 0)
usleep (1);
for (dl = 0; dl < 4; ++dl)
{
fun = dlsym (handle[dl], "inc");
assert (fun != NULL);
fun (42);
dlclose (handle[dl]);
}
return 0; /* bp.main */
}
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